Product Placement Blog ➞ Firefly Lane TV ShowFrench's Yellow Mustard in Firefly Lane S02E10 “All The World's A Stage” (2023)April 27, 2023 Sergey TV Show Hi! On Thursday, April 27, I analyzed a TV Show and product placement was spotted: French’s Yellow Mustard in Firefly Lane S02E10 “All The World’s A Stage” (2023).Here are 1 image(s) below: